Internet Assigned Numbers Authority
Authentication and Authorization for Constrained Environments (ACE)
Created
2021-07-27
Last Updated
2025-06-17
Available Formats
[IMG]
XML [IMG]
HTML [IMG]
Plain text
Registries Included Below
??ACE Authorization Server Request Creation Hints
??OAuth Error Code CBOR Mappings
??OAuth Grant Type CBOR Mappings
??OAuth Access Token Type CBOR Mappings
??ACE Profiles
??OAuth Parameters CBOR Mappings
??OAuth Token Introspection Response CBOR Mappings
??OSCORE Security Context Parameters
??ACE Groupcomm Parameters
??ACE Groupcomm Key Types
??ACE Groupcomm Profiles
??ACE Groupcomm Policies
??Sequence Number Synchronization Methods
??ACE Groupcomm Errors
??ACE Groupcomm Rekeying Schemes
??ACE Token Revocation List Parameters
??ACE Token Revocation List Errors
ACE Authorization Server Request Creation Hints
Expert(s)
G?ran Selander, Cigdem Sengul
Reference
[RFC9200]
Available Formats
[IMG]
CSV
Range Registration Procedures
less than -65536 Private Use
-65536 to -257 Specification Required
-256 to 255 Standards Action
256 to 65535 Specification Required
greater than 65535 Expert Review
Name CBOR Key Value Type Reference
Reserved for Private Use less than -65536 [RFC9200]
AS 1 text string [RFC9200]
kid 2 byte string [RFC9200]
audience 5 text string [RFC9200]
scope 9 text or byte string [RFC9200]
cnonce 39 byte string [RFC9200]
OAuth Error Code CBOR Mappings
Expert(s)
G?ran Selander, Cigdem Sengul
Reference
[RFC9200]
Available Formats
[IMG]
CSV
Range Registration Procedures
less than -65536 Private Use
-65536 or greater Expert Review
Name CBOR Value Reference Original Specification
Reserved for Private Use less than -65536 [RFC9200]
invalid_request 1 [RFC9200] [RFC 6749, Section 5.2]
invalid_client 2 [RFC9200] [RFC 6749, Section 5.2]
invalid_grant 3 [RFC9200] [RFC 6749, Section 5.2]
unauthorized_client 4 [RFC9200] [RFC 6749, Section 5.2]
unsupported_grant_type 5 [RFC9200] [RFC 6749, Section 5.2]
invalid_scope 6 [RFC9200] [RFC 6749, Section 5.2]
unsupported_pop_key 7 [RFC9200] [RFC9200]
incompatible_ace_profiles 8 [RFC9200] [RFC9200]
OAuth Grant Type CBOR Mappings
Expert(s)
G?ran Selander, Cigdem Sengul
Reference
[RFC9200]
Available Formats
[IMG]
CSV
Range Registration Procedures
less than -65536 Private Use
-65536 or greater Expert Review
Name CBOR Value Reference Original Specification
Reserved for Private Use less than -65536 [RFC9200]
password 0 [RFC9200] [RFC 6749, Section 4.3.2]
authorization_code 1 [RFC9200] [RFC 6749, Section 4.1.3]
client_credentials 2 [RFC9200] [RFC 6749, Section 4.4.2]
refresh_token 3 [RFC9200] [RFC 6749, Section 6]
OAuth Access Token Type CBOR Mappings
Expert(s)
G?ran Selander, Cigdem Sengul
Reference
[RFC9200]
Available Formats
[IMG]
CSV
Range Registration Procedures
less than -65536 Private Use
-65536 or greater Expert Review
Name CBOR Value Reference Original Specification
Reserved for Private Use less than -65536 [RFC9200]
Bearer 1 [RFC9200] [RFC6749]
PoP 2 [RFC9200] [RFC9200]
ACE Profiles
Expert(s)
G?ran Selander, Cigdem Sengul
Reference
[RFC9200]
Available Formats
[IMG]
CSV
Range Registration Procedures
less than -65536 Private Use
-65536 to -257 Specification Required
-256 to 255 Standards Action
256 to 65535 Specification Required
greater than 65535 Expert Review
Name Description CBOR Value Reference
Reserved for Private Use less than -65536 [RFC9200]
Profile for delegating client Authentication and Authorization for Constrained
coap_dtls Environments by establishing a Datagram Transport Layer Security (DTLS) or 1 [RFC9202][RFC9430]
Transport Layer Security (TLS) channel between resource-constrained nodes.
coap_oscore Profile for using OSCORE to secure communication between constrained nodes using 2 [RFC9203]
the Authentication and Authorization for Constrained Environments framework.
Profile for delegating Client authentication and authorization using MQTT for the
Client and Broker (RS) interactions and HTTP for the AS interactions. TLS is used
mqtt_tls for confidentiality and integrity protection and server authentication. Client 3 [RFC9431]
authentication can be provided either via TLS or using in-band PoP validation at
the MQTT application layer.
OAuth Parameters CBOR Mappings
Expert(s)
G?ran Selander, Cigdem Sengul
Reference
[RFC9200]
Available Formats
[IMG]
CSV
Range Registration Procedures
less than -65536 Private Use
-65536 or greater Expert Review
Name CBOR Key Value Type Reference Original Specification
Reserved for Private Use less than -65536 [RFC9200]
access_token 1 byte string [RFC9200] [RFC6749]
expires_in 2 unsigned integer [RFC9200] [RFC6749]
req_cnf 4 map [RFC9201, Section 3.1] [RFC9201]
audience 5 text string [RFC9200] [RFC8693]
cnf 8 map [RFC9201, Section 3.2] [RFC9201]
scope 9 text or byte string [RFC9200] [RFC6749]
client_id 24 text string [RFC9200] [RFC6749]
client_secret 25 byte string [RFC9200] [RFC6749]
response_type 26 text string [RFC9200] [RFC6749]
redirect_uri 27 text string [RFC9200] [RFC6749]
state 28 text string [RFC9200] [RFC6749]
code 29 byte string [RFC9200] [RFC6749]
error 30 integer [RFC9200] [RFC6749]
error_description 31 text string [RFC9200] [RFC6749]
error_uri 32 text string [RFC9200] [RFC6749]
grant_type 33 unsigned integer [RFC9200] [RFC6749]
token_type 34 integer [RFC9200] [RFC6749]
username 35 text string [RFC9200] [RFC6749]
password 36 text string [RFC9200] [RFC6749]
refresh_token 37 byte string [RFC9200] [RFC6749]
ace_profile 38 integer [RFC9200] [RFC9200]
cnonce 39 byte string [RFC9200] [RFC9200]
nonce1 40 bstr [RFC9203]
rs_cnf 41 map [RFC9201, Section 3.2] [RFC9201]
nonce2 42 bstr [RFC9203]
ace_client_recipientid 43 bstr [RFC9203]
ace_server_recipientid 44 bstr [RFC9203]
sign_info 45 Null or array [RFC9594]
kdcchallenge 46 byte string [RFC9594]
OAuth Token Introspection Response CBOR Mappings
Expert(s)
G?ran Selander, Cigdem Sengul
Reference
[RFC9200]
Available Formats
[IMG]
CSV
Range Registration Procedures
less than -65536 Private Use
-65536 or greater Expert Review
Name CBOR Key Value Type Reference Original Specification
Reserved for Private Use less than -65536 [RFC9200]
iss 1 text string [RFC9200] [RFC7662]
sub 2 text string [RFC9200] [RFC7662]
aud 3 text string [RFC9200] [RFC7662]
exp 4 integer or floating-point number [RFC9200] [RFC7662]
nbf 5 integer or floating-point number [RFC9200] [RFC7662]
iat 6 integer or floating-point number [RFC9200] [RFC7662]
cti 7 byte string [RFC9200] [RFC9200]
cnf 8 map [RFC9201, Section 4] [RFC8705]
scope 9 text or byte string [RFC9200] [RFC7662]
active 10 True or False [RFC9200] [RFC7662]
token 11 byte string [RFC9200] [RFC7662]
client_id 24 text string [RFC9200] [RFC7662]
error 30 integer [RFC9200] [RFC7662]
error_description 31 text string [RFC9200] [RFC7662]
error_uri 32 text string [RFC9200] [RFC7662]
token_type_hint 33 text string [RFC9200] [RFC7662]
token_type 34 integer [RFC9200] [RFC7662]
username 35 text string [RFC9200] [RFC7662]
ace_profile 38 integer [RFC9200] [RFC9200]
cnonce 39 byte string [RFC9200] [RFC9200]
exi 40 unsigned integer [RFC9200] [RFC9200]
OSCORE Security Context Parameters
Expert(s)
G?ran Selander, Cigdem Sengul
Reference
[RFC9203]
Available Formats
[IMG]
CSV
Range Registration Procedures
less than -65536 Private Use
-65536 to -257 Specification Required
-256 to 255 Standards Action With Expert Review
256 to 65535 Specification Required
greater than 65535 Expert Review
Strings of length 1 Standards Action With Expert Review
Strings of length 2 Specification Required
Strings of length greater than 2 Expert Review
Name CBOR Label CBOR Type Registry Description Reference
Reserved for Private Use less than -65536 [RFC9203]
id 0 byte string OSCORE Input Material Identifier [RFC9203]
version 1 unsigned integer OSCORE Version [RFC9203]
ms 2 byte string OSCORE Master Secret value [RFC9203]
hkdf 3 text string / integer [COSE Algorithms] Values (HMAC-based) OSCORE HKDF value [RFC9203]
alg 4 text string / integer [COSE Algorithms] Values (AEAD) OSCORE AEAD Algorithm value [RFC9203]
salt 5 byte string an input to OSCORE Master Salt [RFC9203]
value
contextId 6 byte string OSCORE ID Context value [RFC9203]
ACE Groupcomm Parameters
Expert(s)
Francesca Palombini, Marco Tiloca, Rikard H?glund
Reference
[RFC9594]
Available Formats
[IMG]
CSV
Range Registration Procedures
less than -65536 Private Use
-65536 to -257 Specification Required
-256 to 255 Standards Action With Expert Review
256 to 65535 Specification Required
greater than 65535 Expert Review
Strings of length 1 Standards Action With Expert Review
Strings of length 2 Specification Required
Strings of length greater than 2 Expert Review
Name CBOR Key CBOR Type Reference
Reserved for Private Use less than -65536 [RFC9594]
gid 0 array [RFC9594]
gname 1 array of tstr [RFC9594]
guri 2 array of tstr [RFC9594]
scope 3 bstr [RFC9594]
get_creds 4 Null or array [RFC9594]
client_cred 5 bstr [RFC9594]
cnonce 6 bstr [RFC9594]
gkty 7 int or tstr [RFC9594]
key 8 See the [ACE Groupcomm Key Types] registry [RFC9594]
num 9 int [RFC9594]
ace_groupcomm_profile 10 int [RFC9594]
exp 11 uint [RFC9594]
exi 12 uint [RFC9594]
creds 13 array [RFC9594]
peer_roles 14 array [RFC9594]
peer_identifiers 15 array [RFC9594]
group_policies 16 map [RFC9594]
kdc_cred 17 bstr [RFC9594]
kdc_nonce 18 bstr [RFC9594]
kdc_cred_verify 19 bstr [RFC9594]
rekeying_scheme 20 int [RFC9594]
client_cred_verify 24 bstr [RFC9594]
creds_repo 25 tstr [RFC9594]
control_uri 26 tstr [RFC9594]
mgt_key_material 27 bstr [RFC9594]
control_group_uri 28 tstr [RFC9594]
sign_info 29 Null or array [RFC9594]
kdcchallenge 30 bstr [RFC9594]
ACE Groupcomm Key Types
Expert(s)
Francesca Palombini, Marco Tiloca, Rikard H?glund
Reference
[RFC9594]
Available Formats
[IMG]
CSV
Range Registration Procedures
less than -65536 Private Use
-65536 to -257 Specification Required
-256 to 255 Standards Action With Expert Review
256 to 65535 Specification Required
greater than 65535 Expert Review
Strings of length 1 Standards Action With Expert Review
Strings of length 2 Specification Required
Strings of length greater than 2 Expert Review
Name Key Type Value Profile Description Reference
Reserved for Private Use less than -65536 [RFC9594]
Reserved 0 This value is reserved [RFC9594]
ACE Groupcomm Profiles
Expert(s)
Francesca Palombini, Marco Tiloca, Rikard H?glund
Reference
[RFC9594]
Available Formats
[IMG]
CSV
Range Registration Procedures
less than -65536 Private Use
-65536 to -257 Specification Required
-256 to 255 Standards Action With Expert Review
256 to 65535 Specification Required
greater than 65535 Expert Review
Name Description CBOR Value Reference
Reserved for Private Use less than -65536 [RFC9594]
Reserved This value is reserved 0 [RFC9594]
ACE Groupcomm Policies
Expert(s)
Francesca Palombini, Marco Tiloca, Rikard H?glund
Reference
[RFC9594]
Available Formats
[IMG]
CSV
Range Registration Procedures
less than -65536 Private Use
-65536 to -257 Specification Required
-256 to 255 Standards Action With Expert Review
256 to 65535 Specification Required
greater than 65535 Expert Review
Strings of length 1 Standards Action With Expert Review
Strings of length 2 Specification Required
Strings of length greater than 2 Expert Review
Name CBOR Label CBOR Type Description Reference
Reserved for Private Use less than -65536 [RFC9594]
Sequence Number Synchronization Method for recipient group members to synchronize with sequence numbers
Method 0 int or tstr of sender group members. Its value is taken from the "Value" column of [RFC9594]
the "Sequence Number Synchronization Method" registry
Key Update Check Interval 1 int Polling interval in seconds, for group members to check at the KDC if the [RFC9594]
latest group keying material is the one that they store
Number of seconds from 'exp' until a UTC date/time, after which group
Expiration Delta 2 uint members MUST stop using the group keying material that they store to [RFC9594]
decrypt incoming messages
Sequence Number Synchronization Methods
Expert(s)
Francesca Palombini, Marco Tiloca, Rikard H?glund
Reference
[RFC9594]
Available Formats
[IMG]
CSV
Range Registration Procedures
less than -65536 Private Use
-65536 to -257 Specification Required
-256 to 255 Standards Action With Expert Review
256 to 65535 Specification Required
greater than 65535 Expert Review
Strings of length 1 Standards Action With Expert Review
Strings of length 2 Specification Required
Strings of length greater than 2 Expert Review
Name Value Description Reference
Reserved for Private Use less than -65536 [RFC9594]
ACE Groupcomm Errors
Expert(s)
Francesca Palombini, Marco Tiloca, Rikard H?glund
Reference
[RFC9594]
Available Formats
[IMG]
CSV
Range Registration Procedures
less than -65536 Private Use
-65536 to -257 Specification Required
-256 to 255 Standards Action With Expert Review
256 to 65535 Specification Required
greater than 65535 Expert Review
Value Description Reference
less than -65536 Reserved for Private Use [RFC9594]
0 Operation permitted only to group members [RFC9594]
1 Request inconsistent with the current roles [RFC9594]
2 Authentication credential incompatible with the group configuration [RFC9594]
3 Invalid proof-of-possession evidence [RFC9594]
4 No available individual keying material [RFC9594]
5 Group membership terminated [RFC9594]
6 Group deleted [RFC9594]
ACE Groupcomm Rekeying Schemes
Expert(s)
Francesca Palombini, Marco Tiloca, Rikard H?glund
Reference
[RFC9594]
Available Formats
[IMG]
CSV
Range Registration Procedures
less than -65536 Private Use
-65536 to -257 Specification Required
-256 to 255 Standards Action With Expert Review
256 to 65535 Specification Required
greater than 65535 Expert Review
Value Name Description Reference
Reserved for Private Use less than -65536 [RFC9594]
0 Point-to-Point The KDC individually targets each node to rekey, using the pairwise secure communication [RFC9594]
association with that node
ACE Token Revocation List Parameters
Expert(s)
Unassigned
Reference
[RFC9770]
Available Formats
[IMG]
CSV
Range Registration Procedures
less than -65536 Private Use
-65536 to -257 Specification Required
-256 to 255 Standards Action With Expert Review
256 to 65535 Specification Required
greater than 65535 Expert Review
Name CBOR Key CBOR Type Reference
Reserved for Private Use less than -65536 [RFC9770]
Unassigned -65536..-1
full_set 0 array [RFC9770]
diff_set 1 array [RFC9770]
cursor 2 Null or unsigned integer [RFC9770]
more 3 True or False [RFC9770]
ACE Token Revocation List Errors
Expert(s)
Unassigned
Reference
[RFC9770]
Available Formats
[IMG]
CSV
Range Registration Procedures
less than -65536 Private Use
-65536 to -257 Specification Required
-256 to 255 Standards Action With Expert Review
256 to 65535 Specification Required
greater than 65535 Expert Review
Value Description Reference
less than -65536 Reserved for Private Use [RFC9770]
-65536..-1 Unassigned
0 Invalid parameter value [RFC9770]
1 Invalid set of parameters [RFC9770]
2 Out of bound cursor value [RFC9770]
Licensing Terms
Presently we were in a very dark road, and at a point where it dropped suddenly between steep sides we halted in black shadow. A gleam of pale sand, a whisper of deep flowing waters, and a farther glimmer of more sands beyond them challenged our advance. We had come to a "grapevine ferry." The scow was on the other side, the water too shoal for the horses to swim, and the bottom, most likely, quicksand. Out of the blackness of the opposite shore came a soft, high-pitched, quavering, long-drawn, smothered moan of woe, the call of that snivelling little sinner the screech-owl. Ferry murmured to me to answer it and I sent the same faint horror-stricken tremolo back. Again it came to us, from not farther than one might toss his cap, and I followed Ferry down to the water's edge. The grapevine guy swayed at our side, we heard the scow slide from the sands, and in a few moments, moved by two videttes, it touched our shore. Soon we were across, the two videttes riding with us, and beyond a sharp rise, in an old opening made by the swoop of a hurricane, we entered the silent unlighted bivouac of Ferry's scouts. Ferry got down and sat on the earth talking with Quinn, while the sergeants quietly roused the sleepers to horse. Plotinus is driven by this perplexity to reconsider the whole theory of Matter.477 He takes Aristotle¡¯s doctrine as the groundwork of his investigation. According to this, all existence is divided into Matter and Form. What we know of things¡ªin other words, the sum of their differential characteristics¡ªis their Form. Take away this, and the unknowable residuum is their Matter. Again, Matter is the vague indeterminate something out of which particular Forms are developed. The two are related as Possibility to Actuality, as the more generic to the more specific substance through every grade of classification and composition. Thus there are two Matters, the one sensible and the other intelligible. The former constitutes the common substratum of bodies, the other the common element of ideas.478 The general distinction between Matter and Form was originally suggested to Aristotle by Plato¡¯s remarks on the same subject; but he differs325 from his master in two important particulars. Plato, in his Timaeus, seems to identify Matter with space.479 So far, it is a much more positive conception than the ?λη of the Metaphysics. On the other hand, he constantly opposes it to reality as something non-existent; and he at least implies that it is opposed to absolute good as a principle of absolute evil.480 Thus while the Aristotelian world is formed by the development of Power into Actuality, the Platonic world is composed by the union of Being and not-Being, of the Same and the Different, of the One and the Many, of the Limit and the Unlimited, of Good and Evil, in varying proportions with each other. The Lawton woman had heard of an officer's family at Grant, which was in need of a cook, and had gone there. [See larger version] On the 8th of July an extraordinary Privy Council was summoned. All the members, of whatever party, were desired to attend, and many were the speculations as to the object of their meeting. The general notion was that it involved the continuing or the ending of the war. It turned out to be for the announcement of the king's intended marriage. The lady selected was Charlotte, the second sister of the Duke of Mecklenburg-Strelitz. Apart from the narrowness of her education, the young princess had a considerable amount of amiability, good sense, and domestic taste. These she shared with her intended husband, and whilst they made the royal couple always retiring, at the same time they caused them to give, during their lives, a moral air to their court. On the 8th of September Charlotte arrived at St. James's, and that afternoon the marriage took place, the ceremony being performed by the Archbishop of Canterbury. On the 22nd the coronation took place with the greatest splendour. Mother and girls were inconsolable, for each had something that they were sure "Si would like," and would "do him good," but they knew Josiah Klegg, Sr., well enough to understand what was the condition when he had once made up his mind. CHAPTER V. THE YOUNG RECRUITS Si proceeded to deftly construct a litter out of the two guns, with some sticks that he cut with a knife, and bound with pawpaw strips. His voice had sunk very low, almost to sweetness. A soft flurry of pink went over her face, and her eyelids drooped. Then suddenly she braced herself, pulled herself taut, grew combative again, though her voice shook. HoME²Ô¾®Ïè̫ʲôÐÇ×ù
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